package zgs;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class dsa {
    public static void main(String[] args)throws IOException{

        FileInputStream fis = new FileInputStream("test.txt");
        FileOutputStream fos = new FileOutputStream("test_cp.txt");

        int d;
        while ((d = fis.read()) != 1) {
            fos.write(fis.read());
        }
        System.out.println("复制完毕!");
        fis.close();
        fos.close();
    }

}
